zacharye writes: Google’s emerging social network Google+ may boast big user numbers, but a new study suggests that social activity and user engagement are anything but impressive. Intended to give Google a stronger grip on the massive amount of data shared by users on social networks, Google’s answer to Facebook opened its doors to the public last September. After using some user acquisition methods that seemed a bit desperate, Google revealed in December that Google+ was then home to 62 million users. Google+ boasted an impressive 100 million users as of early April, but according to eCommerce analytics firm RJ Metrics, the social network is not the waterfall of data Google hoped it would be...